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Título : Behavior of Microporous Nitroprussides in Presence of Ammonia
Palabras clave : adsorption
Fecha de publicación : 16-ene-2013
Editorial : Journal of Porous Materials
Descripción : The behavior of microporous nitroprussides in the presence of ammonia, both in anhydrous and hydrated states,was studied using ammonia adsorption isotherms and IR,M¨ossbauer and XRD techniques. In their anhydrous state these materials behave as a zeolite for ammonia adsorption, however when structural water is present a decomposition process was observed. The crystallization or adsorbed water is used by ammonia to form NH+ 4 and OH−, creating basic conditions where the structural building unit [Fe(CN)5NO] loses the NO group to form a pentacyano complex. This leads to the formation of mixed salts, M(NH4)[Fe(CN)5]·xH2O. For ferrous nitroprusside the formed OH− ion competes with the complex anion for the iron(2+) cation which is removed, then oxidized and finally observed as a ferric oxyhydroxide, FeOOH.
URI : http://www.repositoriodigital.ipn.mx/handle/123456789/11534
Otros identificadores : Journal of Porous Materials 11: 219–228, 2004
Aparece en las colecciones: Doctorado

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